Home / 2,310.73-3,186.54-2,078.26

Finding the Fourth Proportional to 2,310.73, 3,186.54 and 2,078.26

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Solution

The fourth proportional to 2,310.73, 3,186.54 and 2,078.26 is: 2,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.73 : 3,186.54 = 2,078.26 : x
  2. Step 2: Convert to fraction form
    2,310.73/3,186.54 = 2,078.26/x
  3. Step 3: Cross multiply
    2,310.73x = 3,186.54 × 2,078.26
  4. Step 4: Simplify right side
    2,310.73x = 6,622,450.65
  5. Step 5: Solve for x
    x = 6,622,450.65/2,310.73
  6. Step 6: Final answer
    x = 2,865.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.